OpenTechnical

OT-2026-000090266

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090266) never changes.

Identity and time

Publication numberOT-2026-000090266 · never reused
Internal UUID01a0ae9c-4290-7513-b7f6-5d7ae6d5eb17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090266
StatusPUBLIC

Content hashes

Canonical text2d3ca3bac8c02a4512531cdfd288d34629538cf8db5338e015d7bbf0d26abf74
Markdownd9dcccb22ada77028c3857c8769866a33df1505f59fb74dc30f6e0495344025d
PDF
Publication page45738a56aa81311dffab65e461c786cf1402f37b9f4d563ab4b24b9c6c7f302f
Manifestdd4957e1d9a714b4958db8f37aec6992aa51dd0dc1e1ef6e6bd9162144fdea6a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature74C800/8p6liNKAtY8o/xPqqLLtCTb0b7BlY1f6awZQwO6nXYSSGsHjZ9QLbIej4QfGIpmLrRk8fFs4HButRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:20.684756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090266
observed 45738a56aa81311dffab65e461c786cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.667285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090266/manifest.json
observed dd4957e1d9a714b4958db8f37aec6992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.650051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090266/publication.md
observed d9dcccb22ada77028c3857c8769866a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:20.631836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090266/publication.txt
observed 2d3ca3bac8c02a4512531cdfd288d346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.